D-branes and Cosmological Singularities

Details D-branes and Cosmological Singularities D-branes and Cosmological Singularities

2001-07-25

arxiv.org/abs/hep-th/0107218v2

Physics

High Energy Physics

High Energy Physics - Theory

8 pages

Scientific paper

The motion of a test Dq-brane in a Dp-brane background is studied. The induced metric on the test brane is then interpreted as the cosmology of the test brane universe. One is then able to resolve the resulting cosmological singularities. In particular, for a D3-brane in a D5-brane background, one finds a 3+1 dimensional FRW universe with equation of state $p = \ed$. It has been argued that this may have been the dominant form of matter at very early times.

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